Tuten, James (2005). "Liquid Assets: Madeira Wine and Cultural Capital among Lowcountry Planters, 1735-1900". American Nineteenth Century History. 6 (2): 173–188. doi:10.1080/14664650500314513. S2CID144093837.
encarta.msn.com. "John Hancock". Encarta Encyclopedia. Archived from the original on 28 October 2009. Retrieved on 23 February 2007
semanticscholar.org
api.semanticscholar.org
Tuten, James (2005). "Liquid Assets: Madeira Wine and Cultural Capital among Lowcountry Planters, 1735-1900". American Nineteenth Century History. 6 (2): 173–188. doi:10.1080/14664650500314513. S2CID144093837.